Recent answers to In FF 18, how do I make NewTab open a *completely* blank page? (disable the newtab grid) FF18 doesn't retain browser.newtab.urlhttps://support.mozilla.org/en-US/questions/9469412013-01-14T05:39:05-08:00I found an option in Tab Utilities that took care of the problem.
Thanks for your response.
2013-01-14T05:39:05-08:00ChuckBaggetthttps://support.mozilla.org/en-US/questions/946941#answer-397445

I found an option in Tab Utilities that took care of the problem.

Thanks for your response.

If you do not keep changes after a restart then see:
http://kb.mozillazine.org/Preferences_not_save2013-01-13T22:46:59-08:00cor-elhttps://support.mozilla.org/en-US/questions/946941#answer-397366